/Engine/Source/Runtime/Experimental/Iris/Core/Public/Iris/DataStream/DataStreamManager.h
Call WriteData on all active data streams.
virtual [EWriteResult](API\Runtime\IrisCore\Iris\DataStream\UDataStream\EWriteResult) WriteData ( [UE::Net::FNetSerializationContext](API\Runtime\IrisCore\Iris\Serialization\FNetSerializationContext) & context, [FDataStreamRecord](API\Runtime\IrisCore\Iris\DataStream\FDataStreamRecord) const *& OutRecord )